Gun trigger lock



FIG. 1 shows a perspective view of an embodiment thereof.

FIG. 2 shows a perspective side view thereof.

FIG. 3 shows a front view thereof.

FIG. 4 shows a side view thereof.

FIG. 5 shows another side view thereof.

FIG. 6 shows another side view thereof; and,

FIG. 7 shows another side view thereof. 

The ornamental design for a gun trigger lock, as shown and described. 